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How to stop a function from being treated as a property in a javascript object?


How to stop a function from being treated as a property in a javascript object?

By : user2952120
Date : November 19 2020, 12:41 AM
wish helps you It's possible that in your console.log, you're not actually running the function and you could be just be referencing it.
code :
console.log(myObject.myAssociativeArrayLen());
console.log(myObject.myAssociativeArrayLen);


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JavaScript - Setting property on Object in Image load function, property not set once outside function

JavaScript - Setting property on Object in Image load function, property not set once outside function


By : Gustavo
Date : March 29 2020, 07:55 AM
This might help you The variable "tile" in the top loop is shared by every one of the "onload" functions you create; the very same single variable, in other words. Try this, to give each one its own variable:
code :
tileImage.onload = (function(myTile) {
  return function()
        {
            // Do something with this tile Image
            myTile.Done = true;
        };
})(tile);
How to stop function overwriting javascript object property and add new property instead?

How to stop function overwriting javascript object property and add new property instead?


By : Hong
Date : March 29 2020, 07:55 AM
Hope that helps How can I add a new property for each element without overwriting the last property? H2 backgroundColor is overwriting H2 color in this example: , Create a new cssObject[element] if you don't have one.
code :
function updateAllCSS(element, property, value) {
   if (!cssObject[element]) cssObject[element] = {};
   cssObject[element][property] = value            
}
Passed object not treated as the first parameter of function in javascript

Passed object not treated as the first parameter of function in javascript


By : Firry
Date : March 29 2020, 07:55 AM
To fix the issue you can do See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/apply
When you use apply(), the first argument is the this argument, and the second argument is an array of arguments to be passed to the function. In your case, a is mapped to 1 and b is mapped to 2. If you were to add a third argument, c, it would be mapped to 3.
code :
var obj = {num:2};

var addToThis = function(a,b){
  console.log(a);
  console.log(this);
  return this.num + a + b;
};

var arr = [1,2,3];
console.log(addToThis.apply(obj,arr));
Model property treated as object instead of string in formatOptions

Model property treated as object instead of string in formatOptions


By : Eric Simons
Date : March 29 2020, 07:55 AM
help you fix your problem I have a fragment containing labels and input components. Its values are mostly set statically and it works as expected: ,
WHY?
code :
<Input id="myInput" />
onInit: function() {
  // ...    
  const model = this.getView().getModel("P02_Model");
  this.byId("myInput").bindValue({
    parts: [
      "P02_Model>/VehicleGrossPrice",
      "valuta>/convert"
    ],
    type: this.createCurrencyType()
  });
},

onModelDataChanged: function() {
  this.byId("myInput").getBinding("value").setType(this.createCurrencyType());
},

createCurrencyType: function() {
  return new CurrencyType({ // required "sap/ui/model/type/Currency"
    groupingSeparator: model.getProperty("/groupingSeparator"),
    decimalSeparator: model.getProperty("/decimalSeparator")
  });
},
Is function object created by `new` constructor treated as mutable object in javascript?

Is function object created by `new` constructor treated as mutable object in javascript?


By : Djvitoflow Puicon
Date : March 29 2020, 07:55 AM
wish of those help First of all lets understand what is the new operator doing inside the created execution context behind the scenes:
It will:
code :
var v = new Node(0);
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